Just spotted a new 2-1 exhaust system from GPR!
 

Hi,

I just spotted a new 2-1 system from GPR! Well, I don't know for how long it's on the market but it's new to me!

http://www.gpr.it/scheda.php?idcatve...&idveicolo=174
http://www.gpr.it/pdf_report.php?idc...&idveicolo=174

You can pick the silencer type, titanium, stainless steel, carbon etc.

The system is around �500 plus VAT. Less if you opt for the stainless steel version.

The headers and link pipe look very nice to me and the whole system look like a quality one.

I am seriously considering dropping for the stainless steel one. I want the manifolds below the bike as to not mess with melting issues.

The only problem is that I have OTR/SR-Racing 2-1 already fitted, with the titanium silencer. But I am hoping I will manage to sell it.

http://img244.imageshack.us/img244/3742/2in1alto.jpg

http://img511.imageshack.us/img511/9420/2in1basso.jpg

http://img244.imageshack.us/img244/4287/xtx21intera.jpg

thats how i might change my home made 2-1 system ,been thinking about it for a while,looks good.

Update, those are old pictures. The complete system comes with the GPE (Grand Prix Evolution) silencer, which looks like this:

http://img214.imageshack.us/img214/5756/5gpesteel.jpg

Yummy!

A friend had this one made in Oz.

http://www.xt660.com/showpost.php?p=18082&postcount=24

very nice,good finish.My 2-1 gives a better punch low down but runs out abit breathless after 85 mph but im happy with that.Would be nice to know what results you find.cheers

Quote:

Originally Posted by Kev (Post 88461) A friend had this one made in Oz. http://www.xt660.com/showpost.php?p=18082&postcount=24

this doesn't make sense to me at all!
Why would you create a 2 in 1 with headers still going underneath the engine? a. you still haven't got more ground clearance, b. you will lose power, c. it does make a lot more sound!
It only will save some wheight + different looks

Cheers

Marcel

Yes, because of less weight, more sound (I see this as a positive aspect), different looks (better), no issues with pipes melting anything etc…

BTW, I changed my opinion. I will not swap my system for anything! Yesterday I gave one guy who works in Yamaha a ride on my bike and when he was returning back, he started to wave his head before he stopped the bike. He said it goes around 50% better than the stock bike and that he can't ****ing believe it…

I also heard the sound for the first time when someone else is riding it, it's quite different then when on the bike, with the helmet. All I can say is that's the best sound I ever heard. Perfect sound! I have baffle removed.

Also I searched the net for some GPR GPE reviews and haven't found anything good. In fact, there was one test in some German magazine for 12 slip-on systems for Bandit and there was GPR GPE in the test, along with the SR-Racing one! The GPE didn't score well (little power, sound to high) and the SR-Racing (the brand I have) was the first (outperforming Akrapovic, Arrow, Remus etc) regarding the power output!

SR-Racing FTW!

http://www.postimage.org/aV1HkjW9.jpg http://www.postimage.org/Pq1Jez3A.jpg

I would say for weight saving.

A 2in1 under the engine should produce more HP then a 2in1 with lots of bends, every bend slows down the exhaust gas speed & creates hot spots. Freez is the best person to comment as he has played alot with different exhaust systems set ups on the Raptors.

For my type of riding a 2in2 offers the best results.

I'd love an SR system,but the strength of the Euro makes it a crazy price,the sooner we can get a copy made in the UK the better.